Jack stand base



FIG. 1 is a perspective view of a jack stand base showing a first embodiment of our new design;

FIG. 2 is a front view of the jack stand base of FIG. 1;

FIG. 3 is a rear view of the jack stand base of FIG. 1;

FIG. 4 is a top view of the jack stand base of FIG. 1;

FIG. 5 is a right side view of the jack stand base of FIG. 1;

FIG. 6 is a left side view of the jack stand base of FIG. 1;

FIG. 7 is a perspective view of a jack stand base showing a second embodiment of our new design;

FIG. 8 is a front view of the jack stand base of FIG. 7;

FIG. 9 is a rear view of the jack stand base of FIG. 7;

FIG. 10 is a top view of the jack stand base of FIG. 7;

FIG. 11 is a right side view of the jack stand base of FIG. 7;

FIG. 12 is a left side view of the jack stand base of FIG. 7;

FIG. 13 is a perspective view of a jack stand base showing a third embodiment of our new design;

FIG. 14 is a front view of the jack stand base of FIG. 13;

FIG. 15 is a rear view of the jack stand base of FIG. 13;

FIG. 16 is a top view of the jack stand base of FIG. 13;

FIG. 17 is a right side view of the jack stand base of FIG. 13;

FIG. 18 is a left side view of the jack stand base of FIG. 13;

FIG. 19 is a perspective view of a jack stand base showing a fourth embodiment of our new design;

FIG. 20 is a front view of the jack stand base of FIG. 19;

FIG. 21 is a rear view of the jack stand base of FIG. 19;

FIG. 22 is a top view of the jack stand base of FIG. 19;

FIG. 23 is a right side view of the jack stand base of FIG. 19; and,

FIG. 24 is a left side view of the jack stand base of FIG. 19.

The broken lines shown in the figures represent portions of the jack stand base that form no part of the claimed design. 

CLAIM The ornamental design for a jack stand base, as shown and described. 